Pentax Optio SV Operating Manual page 82

• Off (×1) is the normal setting for movies (30 frames per second).
Each time ×2 or ×5 is selected, the number of frames taken per
second is reduced to 1/2 or 1/5.
• As movies are normally played back at the rate of 30 frames per
second, movies taken at ×2 appear to be played back at twice the
normal speed and movies taken at ×5 appear to be played back at
five times the normal speed.
• Sound cannot be recorded.
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Taking Movies p.56
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